@charset "utf-8";
/* CSS Document */

p {
    margin-bottom: 1em;
    font-size: 1em;
    line-height: 1.5em;
}

p.no-bottom {
    margin-bottom: 0;
}

p.bottom {
    margin-bottom: 2em;
}

a.link {
    color: blue;
    font-weight: bold;
    text-decoration: underline;
    transition: 0.3s;
}

p.center {
    text-align: center;
}

p.p_none {
    display: none;
}

p.left {
    text-align: left;
}

p.right {
    text-align: right;
}

a.link:hover {
    color: deepskyblue;
}

h1 {
    color: #6cc7c8;
    font-size: 1.8em;
    font-family: YuMincho, "Yu Mincho", "Hiragino Mincho ProN", "serif";
}

h2 {
    font-size: 1.2em;
    font-weight: bold;
    margin-top: 25px;
    margin-bottom: 5px;
}

h2.first {
    margin-top: 0;
}

/* flexbox */
.flexbox {
    display: flex;
    flex-wrap: wrap;
    
    margin-bottom: 20px;
}

.text {
    width: 70%;
}

.img {
    width: 30%;
    text-align: center;
}

.img_long {
    width: 100%;
    margin-bottom: 20px;
}

.text_long {
    width: 100%;
}

p.center img,
.img img,
.img_long img {
    filter: drop-shadow(10px 10px 0px #6cc7c8);
}

/*ul li*/
.beside {
    display: flex;
    justify-content: space-between;
}

ol li {
    margin:0 0 15px 25px;
    list-style-type: decimal;
}

ol li ol.alphabet li{
    margin-left: 20px;
    list-style-type: lower-alpha;
}

ol li ol.alphabet li:first-child {
    margin-top: 10px;
}

.kensyoukai {
    display: flex;
    flex-wrap: wrap;
    margin: 0 auto;
}

.kensyoukai li {
    width: 12.5%;
    text-align: center;
    
}

.kensyoukai li a {
    display: inline-block;
    margin: 10px;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: bold;
    background-color: #A7D1FF;
    transition: 0.3s;
}

.kensyoukai li a:hover {
    opacity: 0.5;
}

.noguchi {
    display: flex;
    flex-wrap: wrap;
}


.noguchi li{
    width: 25%;
}

.noguchi li a {
    display: block;
    padding: 10px 20px;
    margin: 10px;
    border-radius: 5px;
    
    color: #FFFFFF;
    font-size: 1.2em;
    font-weight: bold;
    text-align: center;
    background-color: #003571;
    transition: 0.3s;
}

.noguchi li a:hover {
    opacity: 0.5;
}

dl.achievement {
    width: 50%;
    display: flex;
    flex-wrap: wrap;
}

dl.achievement dt {
    width: 80%;
}

dl.achievement dd {
    width: 20%;
}

/*figure*/
figure {
    transition: 0.3s;
}

figure img {
    filter: drop-shadow(10px 10px 0px #6cc7c8);
    margin-bottom: 15px;
}

figure:hover {
    opacity: 0.6;
    transition: 0.3s;
}

figcaption {
    width: 300px;
    text-align: center;
}

/*table*/
.staff {
    margin: 0 auto;
    border: 1.5px solid #003571;
    border-collapse: collapse;
    background-color: #FFFFFF;
}

.staff td {
    padding: 10px 15px;
    font-size: 1.2em;
    border: 1.5px solid #003571;
}

td.officer_name {
    text-align: center;
    font-size: 1.4em;
    font-weight: bold;
}

tr.blue {
    background-color: #CBEFFF;
}

.bosyu{
    margin: 0 auto;
    width: 30%;
    border: 2px solid #003571;
    border-collapse: collapse;
    background-color: #FFFFFF;
}


.bosyu th,
.bosyu td {
    padding: 10px;
    border: 2px solid #003571;
}

.bosyu th {
    color: #003571;
    background-color: #CBEFFF;
}

.bosyu_tel {
    margin: 0 auto;
    width: 80%;
    border: 2px solid #003571;
    border-collapse: collapse;
    background-color: #FFFFFF;
}

.bosyu_tel th,
.bosyu_tel td {
    padding: 10px;
    border: 2px solid #003571;
}

.bosyu_tel th {
    color: #003571;
    background-color: #CBEFFF;
}


.prizewinner {
    margin: 0 auto 20px;
    border: 1.5px solid #003571;
    border-collapse: collapse;
    background-color: #FFFFFF;
}

.prizewinner td {
    padding: 10px 15px;
    font-size: 0.8em;
    border: 1.5px solid #003571;
}

.prizewinner td.center {
    text-align: center;
    font-weight: bold;
}
/*main*/
.main {
    width: 70%;
    margin: 0 auto;
}

/**/
.details {
    border-top: 2px solid #003571;
	border-left: 2px solid #003571;
	border-right: 2px solid #003571;
}

.details:last-of-type {
    border-bottom: 2px solid #003571;
}

.details-summary {
	position: relative;
	display: block;
	padding: 20px;
	color: #003571;
	font-size: 24px;
	font-weight: bold;
	text-align: center;
	background-color: #CBEFFF;
    transition: 0.3s;
}

.details-summary:hover {
    cursor: pointer;
    opacity: 0.5;
}

.btn {
    position: absolute;
    top: 37%;
    left: 10%;
    width: 18px;
    height: 18px;
    transform-origin: center center;
    transition-duration: 0.2s;
}
.btn:before,
.btn:after {
    content: "";
    background-color: #003571;
    border-radius: 10px;
    width: 18px;
    height: 4px;
    position: absolute;
    top: 7px;
    left: 0;
    transform-origin: center center;
}

.btn:before {
    width: 4px;
    height: 18px;
    top: 0;
    left: 7px;
}
	
.is-active .btn {
    -webkit-transform: rotate(-180deg);
    transform: rotate(-180deg);
}

.is-active .btn:before {
    content: none;
}

.details-summary::-webkit-details-marker {
	display: none;
}

.details-content {
	padding: 20px;
    background-color: #fff;
}

.details-content p {
    text-align: center;
    margin-bottom: 0;
}

.details-content p a {
    font-size: 1.2em;
    color: blue;
    font-weight: bold;
    text-decoration: underline;
}

/*booklet*/
.booklet {
    width: 80%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    
    margin: 0 auto;
    

}